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Finding the Fourth Proportional to 7,807.34, 10,773.87 and 4,661.66

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Solution

The fourth proportional to 7,807.34, 10,773.87 and 4,661.66 is: 6,432.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,807.34 : 10,773.87 = 4,661.66 : x
  2. Step 2: Convert to fraction form
    7,807.34/10,773.87 = 4,661.66/x
  3. Step 3: Cross multiply
    7,807.34x = 10,773.87 × 4,661.66
  4. Step 4: Simplify right side
    7,807.34x = 50,224,118.82
  5. Step 5: Solve for x
    x = 50,224,118.82/7,807.34
  6. Step 6: Final answer
    x = 6,432.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.